CN207048766U - A kind of more wells of coal bed gas select well metering process system - Google Patents
A kind of more wells of coal bed gas select well metering process system Download PDFInfo
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- CN207048766U CN207048766U CN201720899000.9U CN201720899000U CN207048766U CN 207048766 U CN207048766 U CN 207048766U CN 201720899000 U CN201720899000 U CN 201720899000U CN 207048766 U CN207048766 U CN 207048766U
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Abstract
The utility model provides a kind of more wells of coal bed gas and selects well metering process system, belongs to the technical field of coal bed gas surface gathering and transferring, including individual well comes tracheae, one-well metering pipe, header and flowmeter；Individual well carrys out on tracheae to be provided with the first stop valve, and outlet is connected with the gas import that comes of header；The second stop valve is provided with one-well metering pipe, import comes on tracheae to draw from individual well, outlet and the inlet communication of flowmeter；The import of one-well metering pipe is located at before the first stop valve；The outlet of flowmeter is connected with the metering import of the header.When proper set is defeated, first stop valve is opened, second stop valve is closed, when needing pair to carry out the coal bed gas individual well progress quantitative study that tracheae is connected with individual well, then close the first stop valve, the second stop valve is opened, now coal bed gas is measured by one-well metering pipe into flowmeter, subsequently into header.System easy switching between the defeated pattern of proper set and quantitative model, technological process is simple and practical, convenient operation and management.
Description
Technical field
The technical field of coal bed gas surface gathering and transferring is the utility model is related to, well meter is selected more particularly to a kind of more wells of coal bed gas
Measure process system.
Background technology
Coal bed gas, refer to preservation in coal seam using methane as main component, with absorption based on the matrix of coal particle surface, portion
The hydrocarbon gas for point being free in coal hole or being dissolved in coal seam water, it is the associated minerals resource of coal, belongs to Unconventional gas,
It is both " arch-criminal " of coal mining accident, is a kind of new clear energy sources and high-quality industrial chemicals again, is nearly ten or twenty
Cleaning, high-grade energy and the industrial chemicals that year emerges in the world.Coal bed gas is developed, it is in short supply to alleviating conventional gas and oil
Situation, the Safety of Coal Mine Production condition that improves, implementation national economy sustainable development strategy, environment protection etc. are respectively provided with
Highly important meaning.Coal bed gas is commercially to make up a good complement of natural gas energy resource breach, but China's coal bed gas
Several production blocks except Jincheng Qinshui minority block individual well daily output tolerance can reach average 2000m3 in addition to, other regional coal seams
Gas production well generally existing daily output tolerance is low, the factors such as gas production is unstable, if low yield block still indiscriminately imitates gas field collection
Gas system meters technique, it is insufficient to not only result in the utilization of measuring equipment, while it is excessive to will also result in measuring equipment investment, money
The problems such as golden payoff period is long.Therefore, coal seam of the gas gathering system metering process in conventional natural gas field to original output benefit with regard to very little
Gas field is very inapplicable.
The content of the invention
The purpose of this utility model is to be directed to low pressure, low yield, more wells, the coal bed gas field of the small feature of well spacing, there is provided
A kind of more wells of coal bed gas select well metering process system, improve existing metering process system and have that measuring equipment investment is big, utilizes
The technical problems such as insufficient, recovery of the capital cycle.
The utility model provides a kind of more wells of coal bed gas and selects well metering process system, including individual well to come tracheae, one-well metering
Pipe, header and flowmeter；Individual well carrys out on tracheae to be provided with the first stop valve, and outlet is connected with the gas import that comes of header；Individual well meter
The second stop valve is provided with buret, import comes on tracheae to draw from individual well, outlet and the inlet communication of flowmeter；One-well metering
The import of pipe is located at before the first stop valve；The outlet of flowmeter is connected with the metering import of the header.
Further, individual well comes tracheae and coal bed gas individual well one-to-one corresponding.
Further, the more wells of coal bed gas select well metering process system also to include first filter, the second filter and blowdown
Tank；The import of first filter and the outlet of header are connected, and waste liquid port is connected with blowdown drum；The import of second filter and individual well
The outlet connection of gauge line, outlet are connected with the import of flowmeter, and waste liquid port is connected with blowdown drum.
Further, the more wells of coal bed gas select well metering process system also to include the pressure regulation with the outlet connection of first filter
Metering device.
Further, pressure monitoring pipe is provided with header, the 3rd stop valve is set on pressure monitoring pipe and positioned at the 3rd
Pressure gauge after stop valve.
Compared with prior art, advantage of the present utility model is：
The more wells of coal bed gas provided by the utility model select well metering process system, and during normally collecting defeated, individual well comes
The first stop valve on tracheae is in open mode, and the second stop valve on one-well metering pipe is closed, when needing pair
When carrying out the coal bed gas individual well progress quantitative study that tracheae is connected with individual well, then the first stop valve is closed, opens the second stop valve, this
When coal bed gas caused by coal bed gas individual well measured by one-well metering pipe into flowmeter, subsequently into header, and other
Coal bed gas caused by coal bed gas individual well is converged.From the foregoing, it will be observed that the more wells of coal bed gas provided by the utility model select well metering process system
System easy switching between the defeated pattern of proper set and quantitative model, technological process is simple and practical, convenient operation and management；Can be flexible
Ground selects to measure the gas production of specific coal bed gas well, is perfectly suitable for having the characteristics that field low pressure, low yield coal bed gas
Field；The usage amount and maintenance and repair cost of the measuring instrument of gas gathering station are reduced, input is improved on the premise of meeting to produce needs
Output ratio, investment is reduced, cost is reduced, increases economic efficiency, meet the needs of safe and environment-friendly, economic energy-conservation.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Other accompanying drawings are obtained, wherein：
Fig. 1 is the structural representation that the more wells of coal bed gas that the present embodiment provides select well metering process system.
Label：1- individual wells carry out tracheae；2- one-well metering pipes；3- headers；4- flowmeters；The stop valves of 5- first；6- second is cut
Only valve；7- first filters；The filters of 8- second；9- blowdown drums；10- pressure regulating metering devices；The stop valves of 11- the 3rd；12- pressure
Table.
Embodiment
, it is necessary to the orientation or position relationship of the instruction such as explanation, term "front", "rear" in description of the present utility model
Based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying description, without referring to
Show or imply that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to limitation of the present utility model.Wherein, " preceding " refers to the direction that coal bed gas flows into, and " rear " refers to the side of coal bed gas outflow
To coal bed gas flow direction is as shown by the arrows in Figure 1.
The present embodiment provides a kind of more wells of coal bed gas and selects well metering process system, as shown in figure 1, including individual well come tracheae 1,
One-well metering pipe 2, header 3 and flowmeter 4；Individual well carrys out on tracheae 1 to be provided with the first stop valve 5, exports and enters with the gas that comes of header 3
Mouth connection；The second stop valve 6 is provided with one-well metering pipe 2, import comes on tracheae 1 to draw from individual well, outlet and flowmeter 4
Inlet communication；The import of one-well metering pipe 2 is located at before the first stop valve 5；The outlet of flowmeter 4 and the metering import of header 3
Connection.
Have that measuring equipment investment is big, utilizes insufficient, the recovery of the capital cycle to improve existing metering process system
Etc. technical problem, coal and the staff of coal bed gas Gong Cai National Key Laboratories pass through on-the-spot investigation, experimental design, invention
The above-mentioned more wells of coal bed gas select well metering process system, during normally collecting defeated, the first stop valve 5 that individual well comes on tracheae 1
In open mode, the second stop valve 6 on one-well metering pipe 2 is closed, and is connected when needs pair carry out tracheae 1 with individual well
Coal bed gas individual well when carrying out quantitative study, then close the first stop valve 5, open the second stop valve 6, now coal bed gas individual well produces
Raw coal bed gas is measured by one-well metering pipe 2 into flowmeter 4, subsequently into header 3, and the production of other coal bed gas individual wells
Raw coal bed gas is converged.From the foregoing, it will be observed that the more wells of coal bed gas that the present embodiment provides select well metering process system in the defeated mould of proper set
Easy switching between formula and quantitative model, technological process is simple and practical, convenient operation and management；Can neatly it select to particular coal
The gas production of layer gas well is measured, and is perfectly suitable for having the characteristics that field low pressure, low yield coal bed gas field；Reduce gas gathering station
The usage amount and maintenance and repair cost of measuring instrument, input-output ratio is improved on the premise of meeting to produce needs, reduces investment,
Cost is reduced, is increased economic efficiency, meets the needs of safe and environment-friendly, economic energy-conservation.
It should be noted that the quantity that individual well carrys out tracheae 1 should be consistent with the quantity of coal bed gas individual well, and with coal bed gas list
Well corresponds.The gas import that comes of header 3 correspondingly should also be as carrying out tracheae 1 with individual well corresponding.When individual well carrys out tracheae 1
Quantity in two and the above, the outlet that multiple individual wells carry out tracheae 1 is met in a pipeline, is connected to entering for flowmeter 4
On mouth, to simplify pipe-line system.
Further, as shown in figure 1, the more wells of coal bed gas select well metering process system also to include first filter 7, the second mistake
Filter 8 and blowdown drum 9；The import of first filter 7 is connected with the outlet of header 3, and waste liquid port is connected with blowdown drum 9, to from remittance
The coal bed gas flowed out in pipe 3 is filtered, and improves the purity of gas；The import of second filter 8 and the outlet of one-well metering pipe 2
Connection, outlet are connected with the import of flowmeter 4, and waste liquid port is connected with blowdown drum 9, to the coal bed gas flowed out from one-well metering pipe 2
Filtered, in order to avoid coal bed gas blocks flowmeter 4, influence to measure.
Further, as shown in figure 1, the more wells of coal bed gas select well metering process system also to include going out with first filter 7
The pressure regulating metering device 10 of mouth connection, to adjust and measure the coal bed gas flowed out from header 3.
Further, as shown in figure 1, being provided with pressure monitoring pipe on header 3, the 3rd stop valve is set on pressure monitoring pipe
11 and the pressure gauge 12 after the 3rd stop valve 11.When measuring pressure in header 3, then the 3rd stop valve 11, pressure are opened
The numerical value that power table 12 is shown is pressure in header 3.When the damage of pressure gauge 12 needs repairing or changed, then the 3rd cut-off is closed
Valve 11.
Embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, every utilization
The equivalent structure or equivalent flow conversion that the utility model description is made, or be directly or indirectly used in other related
Technical field, similarly it is included in scope of patent protection of the present utility model.
Claims (5)
1. a kind of more wells of coal bed gas select well metering process system, it is characterised in that：Carry out tracheae including individual well（1）, one-well metering pipe
（2）, header（3）And flowmeter（4）；
The individual well carrys out tracheae（1）On be provided with the first stop valve（5）, export and the header（3）Come gas import connection；
The one-well metering pipe（2）On be provided with the second stop valve（6）, import carrys out tracheae from the individual well（1）Upper extraction, outlet
With the flowmeter（4）Inlet communication；
The one-well metering pipe（2）Import be located at first stop valve（5）Before；
The flowmeter（4）Outlet and the header（3）Metering import connection.
2. the more wells of coal bed gas according to claim 1 select well metering process system, it is characterised in that the individual well carrys out tracheae
（1）Corresponded with coal bed gas individual well.
3. the more wells of coal bed gas according to claim 1 select well metering process system, it is characterised in that also including the first filtering
Device（7）, the second filter（8）And blowdown drum（9）；
The first filter（7）Import and the header（3）Outlet connection, waste liquid port and the blowdown drum（9）Connection；
Second filter（8）Import be connected with the outlet of the one-well metering pipe, outlet with the flowmeter（4）Enter
Mouth connection, waste liquid port and the blowdown drum（9）Connection.
4. the more wells of coal bed gas according to claim 3 select well metering process system, it is characterised in that also include and described the
One filter（7）Outlet connection pressure regulating metering device（10）.
5. the more wells of coal bed gas according to claim 1 select well metering process system, it is characterised in that the header（3）On
Pressure monitoring pipe is provided with, the 3rd stop valve is set on the pressure monitoring pipe（11）With positioned at the 3rd stop valve（11）It
Pressure gauge afterwards（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720899000.9U CN207048766U (en) | 2017-07-24 | 2017-07-24 | A kind of more wells of coal bed gas select well metering process system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720899000.9U CN207048766U (en) | 2017-07-24 | 2017-07-24 | A kind of more wells of coal bed gas select well metering process system |
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| CN207048766U true CN207048766U (en) | 2018-02-27 |
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| CN201720899000.9U Active CN207048766U (en) | 2017-07-24 | 2017-07-24 | A kind of more wells of coal bed gas select well metering process system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075403A (en) * | 2019-12-26 | 2020-04-28 | 山西晋城无烟煤矿业集团有限责任公司 | Intelligent gathering and transportation method for ground high-low pressure gas source of integrated coal bed gas well |
| CN111894548A (en) * | 2020-07-07 | 2020-11-06 | 山西晋城无烟煤矿业集团有限责任公司 | Coal-bed gas well coal dust prevention and drainage metering system and drainage metering and coal dust prevention method |
-
2017
- 2017-07-24 CN CN201720899000.9U patent/CN207048766U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075403A (en) * | 2019-12-26 | 2020-04-28 | 山西晋城无烟煤矿业集团有限责任公司 | Intelligent gathering and transportation method for ground high-low pressure gas source of integrated coal bed gas well |
| CN111075403B (en) * | 2019-12-26 | 2021-07-06 | 山西晋城无烟煤矿业集团有限责任公司 | Intelligent gathering and transportation method for ground high-low pressure gas source of integrated coal bed gas well |
| CN111894548A (en) * | 2020-07-07 | 2020-11-06 | 山西晋城无烟煤矿业集团有限责任公司 | Coal-bed gas well coal dust prevention and drainage metering system and drainage metering and coal dust prevention method |
| CN111894548B (en) * | 2020-07-07 | 2022-07-22 | 山西晋城无烟煤矿业集团有限责任公司 | Coal-bed gas well coal dust prevention and drainage metering system and drainage metering and coal dust prevention method |
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